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Phase I Cabazitaxel, Mitoxantrone, and Prednisone Metastatic Castration-Resistant Prostate Cancer

Information source: University of California, San Francisco
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Metastatic Castration-resistant Prostate Cancer

Intervention: Cabazitaxel (Drug); Mitoxantrone (Drug); Prednisone (Drug); Pegfilgrastim (Drug)

Phase: Phase 1

Status: Recruiting

Sponsored by: Rahul Aggarwal

Official(s) and/or principal investigator(s):
Rahul Aggarwal, MD, Study Chair, Affiliation: University of California, San Francisco

Overall contact:
Rahul Aggarwal, MD, Phone: (415) 353-9278, Email: rahul.aggarwal@ucsf.edu


The purpose of this study is to test the safety of cabazitaxel, mitoxantrone, and prednisone (CAMP) in combination at different dose levels and to determine the highest dose that does not cause bad side effects. The investigators want to find out what effects, good and/or bad, CAMP has on patients and their metastatic castration-resistant prostate cancer.

Clinical Details

Official title: A Phase I Study of Cabazitaxel, Mitoxantrone, and Prednisone (CAMP) for Patients With Metastatic Castration-Resistant Prostate Cancer and no Prior Chemotherapy

Study design: Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome: Determination of the maximum tolerated dose (MTD) of the combination of cabazitaxel and mitoxantrone/prednisone as chemotherapy for patients with metastatic CRPC who have not received prior chemotherapy for metastatic disease.

Secondary outcome:

Dose Limiting Toxicity (DLT)

Reduction in Prostate Specific Antigen (PSA), of the combination of cabazitaxel and mitoxantrone/prednisone in patients with metastatic CRPC who have not received prior chemotherapy for metastatic disease.

Efficacy of drug combination including objective response rate and duration of response

Detailed description: This is a Phase I, open label, dose-finding, multicenter clinical trial to establish the maximum tolerated dose (MTD) and dose limiting toxicities (DLT) of cabazitaxel (25 mg/m2 IV q21 days) in combination with mitoxantrone (4-12 mg/m2 IV q21 days) and prednisone (5mg orally BID) in patients with metastatic CRPC who have not undergone prior chemotherapy for metastatic disease. Up to five cohorts will be enrolled to determine the MTD and DLT profile of this combination. An accelerated titration design method is being used in order to minimize the number of patients exposed to subtherapeutic doses of mitoxantrone.


Minimum age: 18 Years. Maximum age: N/A. Gender(s): Male.


Inclusion Criteria: 1. Histologically confirmed adenocarcinoma of the prostate. 2. Progressive metastatic prostate cancer (positive bone scan or measurable disease) despite castrate levels of testosterone (either from orchiectomy or LHRH agonist therapy). 3. Patients may have either non-measurable disease OR measurable disease 4. All patients must have a PSA ≥ 2 ng/mL. 5. Progressive disease based on any one of the following: 1. transaxial imaging 2. a rise in PSA 3. radionuclide bone scan Patients whose sole manifestation of progression is an increase in disease-related symptoms are not eligible. 1. For patients with measurable disease, progression will be defined by the RECIST criteria. 2. For patients with non-measurable disease, a positive bone scan and elevated PSA will be required. PSA evidence for progressive prostate cancer during or after first-line chemotherapy consists of a PSA level of at least 2 ng/ml which has risen on at least 2 successive occasions, at least one week apart. If the confirmatory PSA (#3) value is less (i. e., #3b) than the screening PSA (#2) value, then an additional test for rising PSA (#4) will be required to document progression for the purposes of eligibility. 3. Radionuclide bone scan: new metastatic lesions 6. Testosterone < 50 ng/dL. Patients must continue primary androgen deprivation with an LHRH analogue if they have not undergone orchiectomy.

7. ECOG Performance Status 0 - 2.

8. Required Laboratory values: 1. Creatinine < 1. 5 x upper limits of normal (ULN). If Cr. > 1. 5 x ULN, then calculated creatinine clearance > 40cc/min. 2. ALT and AST within normal limits 3. Absolute neutrophil count > 2,000/mm3 4. Platelets > 100,000/ mm3 5. Hemoglobin > 8. 0 gm/dL 6. Total bilirubin within normal limits 9. Ejection fraction by MUGA scan or echocardiogram ≥ lower limit of institutional normal. 10. Patients receiving hormonal therapy (i. e. any dose of megestrol acetate (Megace), Proscar (finasteride), any herbal product known to decrease PSA levels (e. g., Saw Palmetto and PC-SPES) other than LHRH agonist/antagonist or a stable dose of corticosteroid from a prior chemotherapy regimen must discontinue the agent for at least 4 weeks prior to enrollment. Progressive disease must be documented after discontinuation of the hormonal therapy. 11. No other systemic therapies for prostate cancer within 28 days prior to initiation of this protocol. 12. Prior radiation therapy completed ≥ 4 weeks prior to enrollment. 13. No history of radiopharmaceuticals (strontium, samarium) for prostate cancer treatment. 14. Patients must agree to use adequate contraception (hormonal or barrier method of birth control) prior to study entry, for the duration of study participation and for 3 months after discontinuing therapy. Should a patient's sexual partner become pregnant or suspect she is pregnant while the patient is participating in this study, he should inform the treating physician immediately. 15. Life expectancy > 12 weeks. 16. Age ≥ 18 years 17. Inclusion of Minorities: Men and members of all ethnic groups are eligible for this trial. Exclusion Criteria: 1. Patients with significant cardiovascular disease including congestive heart failure (NYHA class III or IV), active angina pectoris or myocardial infarction within 6 months. 2. Patients with serious intercurrent infections, or nonmalignant medical illnesses that are uncontrolled or whose control may be jeopardized by the complications of this therapy. 3. Patients with psychiatric illness/social situations that would limit compliance with study requirements. 4. Patients with pre-existing neuropathy greater than CTCAE Grade 1 (motor or sensory). 5. Patients with known prior severe hypersensitivity reactions to cabazitaxel or other agents containing polysorbate 80. 6. Patients with known active brain metastases are excluded because of their poor prognosis. Head CT is NOT routinely required prior to enrollment. Patients with treated, asymptomatic brain metastasis will be eligible for enrollment. 7. Patients with a "currently active" second malignancy other than non-melanoma skin cancer are excluded. [Patients are not considered to have a "currently active" malignancy if they have completed therapy and are considered by their physician to be at less than 30% risk of relapse.] 8. Concurrent use of moderate to strong CYP3A4 inhibitors is not allowed.

Locations and Contacts

Rahul Aggarwal, MD, Phone: (415) 353-9278, Email: rahul.aggarwal@ucsf.edu

Mayo Clinic, Scottsdale, Arizona 85259, United States; Recruiting
Clinical Trials Office, Phone: 507-538-7623
Alan Bryce, MD, Principal Investigator

UCSF Comprehensive Cancer Center, San Francisco, California 94115, United States; Recruiting
Paula Dutton, Phone: 415-885-7871, Email: walshp@medicine.ucsf.edu
Rahul Aggarwal, MD, Principal Investigator

Vanderbilt-Ingram Cancer Center, Nashville, Tennessee 37232, United States; Recruiting
Clinical Trials Information Program, Phone: 800-811-8480
Christina Derleth, MD, Principal Investigator

Additional Information

Starting date: June 2012
Last updated: January 13, 2015

Page last updated: August 23, 2015

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